https://www.sothebys.com/en/auctions/ecatalogue/2017/old-masters-l17030/lot.161.html
(#161) John Hoppner, R.A.
john hoppner161
https://nndb.com/people/291/000102982/bibliography/
John Hoppner: Bibliography
john hoppnerbibliography
https://www.sothebys.com/en/buy/auction/2022/master-paintings-3/portrait-of-charles-moss-archdeacon-of-colchester
John Hoppner, R.A. | Portrait of Charles Moss, Archdeacon of
john hoppnera portraitcharles mossarchdeacon
https://www.rmg.co.uk/collections/objects/rmgc-object-107504
John Jervis, Earl of St Vincent. OB.1823. From the Original of Hoppner in His Majesty's Collection...